Digestive System

• The liver contains enzymes needed for many metabolic reactions involved in regulating the blood glucose and lipid concentrations (p. 579)

• The pancreas produces many enzymes needed for the digestion of food in the small intestine (p. 582)

• The digestion and absorption of carbohydrates, lipids, and proteins provides the body with the substrates used in cell metabolism (p. 587)

• Vitamins A and D help to regulate metabolism through the activation of nuclear receptors, which bind to regions of

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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